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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
64°F
18°C
| Humidity | 73% |
| Wind Speed | S 9 mph |
| Barometer | 29.80 in (1008.6 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 4:54 am CDT |
Extended Forecast for
Decatur Airport IL
Today
High: 86 °F
Mostly Sunny
then Slight
Chance
T-storms and
BreezyTonight
Low: 37 °F
T-storms and
BreezyFriday
High: 48 °F
Chance
Showers then
Mostly SunnyFriday Night
Low: 28 °F
Mostly Clear
Saturday
High: 52 °F
Sunny
Saturday Night
Low: 38 °F
Partly Cloudy
Sunday
High: 63 °F
Partly Sunny
Sunday Night
Low: 51 °F
Mostly Cloudy
Monday
High: 77 °F
Mostly Sunny
Detailed Forecast
Today
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 32 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 37. Breezy, with a southwest wind 14 to 21 mph becoming north northeast after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 48. North wind around 18 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 28. North northwest wind 7 to 14 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 52. North wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 38. South southeast wind 8 to 10 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 63. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 77.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 58.
Tuesday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 78.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 58.
Wednesday
A chance of rain. Mostly cloudy, with a high near 76. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Decatur Airport IL
39.84°N 88.88°W (Elev. 650 ft)
39.84°N 88.88°W (Elev. 650 ft)
4:56 am CDT Mar 26, 2026
5am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
Additional Resources
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